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by MARK.WALSH
Wed Nov 07, 2018 5:21 pm
Forum: Member's Bikes
Topic: MKII Square with swingarm
Replies: 18
Views: 489

Re: MKII Square with swingarm

Herb all the advice offered is good. Strip it down for peace of mind. I think you have bought a lovely looking bike. I really like the lines, and with the swinging arm and twin leading shoe it must handle and brake well. What you have is how the factory should have developed the square four, but unf...
by MARK.WALSH
Thu Oct 25, 2018 9:36 pm
Forum: Main Chat Forum
Topic: Sq 4 Swindon run
Replies: 1
Views: 187

Re: Sq 4 Swindon run

lovely bikes!
thanks for sharing the pics
Mark
by MARK.WALSH
Mon Oct 22, 2018 8:51 pm
Forum: Four stroke
Topic: SQ4 Misfire
Replies: 45
Views: 2499

Re: SQ4 Misfire

Simes the bike sounds great on the video - slightly better / even tick-over than mine and mechanically quieter (also my exhaust pipes are a bit more raucous ) Was it fairly cold when you let it idle? Hopefully your mis-fire has gone, but now I have heard how mechanically quiet your bike is I might l...
by MARK.WALSH
Sun Oct 21, 2018 10:55 pm
Forum: Four stroke
Topic: SQ4 Misfire
Replies: 45
Views: 2499

Re: SQ4 Misfire

Hi Simes I have an AO working well but on fast tick over I'd be very lucky to get 6.4 volts. My voltmeter is direct across the battery so possibly some juice is diverting and working the ignition (meaning the voltage output from the dynamo is higher) Either way it doesn't misfire or cause problems, ...
by MARK.WALSH
Wed Oct 17, 2018 6:44 pm
Forum: Four stroke
Topic: 4G revcounter drive
Replies: 2
Views: 193

Re: 4G revcounter drive

What a clever idea, and tucked away quite neatly!
Most smiths revcounters work on 1/2 speed readings though (to my knowledge) anyone know of a 1:1 ratio ?

Mark
by MARK.WALSH
Wed Oct 10, 2018 10:22 pm
Forum: Four stroke
Topic: square 4 conrods
Replies: 3
Views: 235

Re: square 4 conrods

they are dear to replace, but when done will give you peace of mind with one less thing (or should I say four) to go wrong once you have finished your rebuild. If you cant afford them look carefully at your existing rods for any defects, knocks etc where weak spots can get worse due to age. As Paul ...
by MARK.WALSH
Sun Sep 16, 2018 10:06 pm
Forum: Electrics
Topic: electronic regulator problem
Replies: 14
Views: 536

Re: electronic regulator problem

all after getting Alan Osbourne to check the unit it seems my electronic regulator is okay. Refitted it today - no joy, so I went for broke. I swapped the Dynamo and field leads over and hey presto - we have life. Took the bike for a run and all is very good with a steady charge and no issues. My pr...
by MARK.WALSH
Tue Sep 04, 2018 9:30 pm
Forum: Electrics
Topic: electronic regulator problem
Replies: 14
Views: 536

Re: electronic regulator problem

Paul
the joys of british biking!
I think you are right -a duff unit. I will try an old wasell reg I have lurking in my garage and see what that does.
Failing that I have one which works well on my panther M100 which I could substitute for a test
Cheers
Mark
by MARK.WALSH
Tue Sep 04, 2018 8:38 pm
Forum: Electrics
Topic: electronic regulator problem
Replies: 14
Views: 536

Re: electronic regulator problem

Simes
my ears aren't that good
Its only when I turn on the ignition but before I start her up. Its easy to not hear it at all, but turn the ignition off and then on and you can just hear the noise
definitely not the early stages of tinnitus

Mark
by MARK.WALSH
Tue Sep 04, 2018 8:02 pm
Forum: Electrics
Topic: electronic regulator problem
Replies: 14
Views: 536

Re: electronic regulator problem

my electronic reg problems continue. I contacted Alan Osbourne and had a long chat. He was both very helpful and very entertaining to talk to but he thought it could be a duff unit after I described the issues. Anyway I've been using the mechanical regulator for the past few weeks with no problem bu...

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